Window King specializes in aluminum and vinyl replacement windows, including double-hung, bays, bows, and slider windows for both residential and commercial markets, as well as security and sliding doors - all from the top brands in the industry, and has served the Westchester, Fairfield, Five Boroughs and Bergen county for over 30 years. --- In a world full of horror stories and poor quality work, broken contracts, no-show schedules and poor quality, Window King has become a leader in "Customer Service Satisfaction". We feature vinyl, aluminum, wood, composite and fiberglass replacement windows, all available as bays, bows, casements, sliders and double hungs. We beat ANY written estimate and offer free estimates with no obligation.5 employees. Charges a flat rate. No travel charges. Ask about Angie's List. City of New York License #1171450, Westchester County License #WC-15985-H09, Rockland County License #H-09683-07-00-00, Yonkers License #3979, New Jersey License #13VH00055900 And Connecticut License #603035.Nassau County License #H0810890000. Additional DBA names: Window King LLC.